New York City had closed 21 schools as of Wednesday after an increase of reports of students with flu-like symptoms, city health and education officials said, CNN reported.
Nineteen of the schools closed at the recommendation of the Health Department are public and two are private, it and the city's Education Department announced in a news release.
In addition, two private schools in Manhattan - St. Davis Academy and Horace Mann - have decided on their own to close after a number of students exhibited flu-like symptoms, according the schools' Web sites.
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